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  1. Copilot 答案
    Dyed roses

    Since blue roses do not exist in nature, as roses lack the specific gene that has the ability to produce a "true blue" color, blue roses are traditionally created by dyeing white roses. In a book entitled Kitāb al-Filāḥah written … 展开

    Genetically engineered roses

    Scientists have yet to produce a truly blue-colored rose; however, after thirteen years of collaborative research by an Australian company, Florigene, and a Japanese company, Suntory, a rose containing the blue pigment … 展开

    Cultural influence

    Due to the lack of blue roses in nature, they have come to symbolise mystery and something close to be unachievable. Among some cultures there is a tradition that the owner of a blue rose will have all their wishes gran… 展开